Autism
is a complex neurological disorder. It may or may not be noticed during infancy. It is usually identified during early childhood between the ages of 2-6 years. People with autism have difficulty communicating and forming relationships.

Autism spectrum disorders include autism,
Asperger syndrome
, and pervasive developmental disorder. Autism is a lifelong condition that varies in severity depending on the person. Some people with autism need to be cared for their entire life and have other conditions, such as
seizures
and
intellectual disabilities
. Others are able to live on their own and work.

The exact cause of autism is not known. Researchers have identified the following factors that may increase a person's risk of developing autism:

Genetic factors

Environmental factors

Problems during pregnancy or delivery that could interfere with brain development

Revision Information

This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.